diff options
| author | Liu, Jinsong <jinsong.liu@intel.com> | 2012-06-07 20:10:37 +0800 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-07-19 15:51:38 -0400 |
| commit | 05e36006adc3046f86f2be8652a22d5f77ebd6ea (patch) | |
| tree | 7f207e99da26d04de115383f09c6b2fd937fd87c /arch | |
| parent | a8fccdb0617386695a13ec742a61b5c935b63795 (diff) | |
| download | linux-05e36006adc3046f86f2be8652a22d5f77ebd6ea.tar.bz2 | |
xen/mce: Register native mce handler as vMCE bounce back point
When Xen hypervisor inject vMCE to guest, use native mce handler
to handle it
Signed-off-by: Ke, Liping <liping.ke@intel.com>
Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 9a6346865c49..0c1ab43f6672 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -626,8 +626,8 @@ static int cvt_gate_to_trap(int vector, const gate_desc *val, /* * Look for known traps using IST, and substitute them * appropriately. The debugger ones are the only ones we care - * about. Xen will handle faults like double_fault and - * machine_check, so we should never see them. Warn if + * about. Xen will handle faults like double_fault, + * so we should never see them. Warn if * there's an unexpected IST-using fault handler. */ if (addr == (unsigned long)debug) @@ -642,7 +642,11 @@ static int cvt_gate_to_trap(int vector, const gate_desc *val, return 0; #ifdef CONFIG_X86_MCE } else if (addr == (unsigned long)machine_check) { - return 0; + /* + * when xen hypervisor inject vMCE to guest, + * use native mce handler to handle it + */ + ; #endif } else { /* Some other trap using IST? */ |